*{
    margin: 0;
    padding: 0;
}
body{
    background-color:#0A7DC8;
    color: #fff;
}
main{
    width: 800px;
    margin: 0 auto;
    text-align: center;
}
.mingtian{
    display: flex;
    margin-top: 200px;
    justify-content: space-between;
    font-size: 13px;
}
.today{
    margin-top: 200px;
}
.xian{
    width: 1px;
    height: 100px;
    background-color: orange;
}

